de.lmu.ifi.dbs.elki.datasource.parser

Class AbstractParser

java.lang.Object

de.lmu.ifi.dbs.elki.datasource.parser.AbstractParser

Direct Known Subclasses:

AbstractStreamingParser, BitVectorLabelParser, NumberDistanceParser, SimplePolygonParser, SparseBitVectorLabelParser

public abstract class AbstractParser
extends Object

Abstract superclass for all parsers providing the option handler for handling options.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractParser.Parameterizer Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
static String	ATTRIBUTE_CONCATENATION A sign to separate attributes.
protected Pattern	comment Comment pattern.
static String	COMMENT_PATTERN Default pattern for comments.
static String	DEFAULT_SEPARATOR A pattern defining whitespace.
static String	NUMBER_PATTERN A pattern catching most numbers that can be parsed using Double.parseDouble: Some examples: 1 1.
static String	QUOTE_CHARS A quote pattern
protected Tokenizer	tokenizer String tokenizer.

Constructor Summary

Constructors

Constructor and Description
AbstractParser(Pattern colSep, String quoteChars, Pattern comment) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract Logging	getLogger() Get the logger for this class.
static int	lengthWithoutLinefeed(String line)
String	toString() Returns a string representation of the object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

DEFAULT_SEPARATOR

public static final String DEFAULT_SEPARATOR

A pattern defining whitespace.

See Also:

Constant Field Values

QUOTE_CHARS

public static final String QUOTE_CHARS

A quote pattern

See Also:

Constant Field Values

NUMBER_PATTERN

public static final String NUMBER_PATTERN

A pattern catching most numbers that can be parsed using Double.parseDouble: Some examples: 1 1. 1.2 .2 -.2e-03

See Also:

Constant Field Values

COMMENT_PATTERN

public static final String COMMENT_PATTERN

Default pattern for comments.

See Also:

Constant Field Values

ATTRIBUTE_CONCATENATION

public static final String ATTRIBUTE_CONCATENATION

A sign to separate attributes.

See Also:

Constant Field Values

comment

protected Pattern comment

Comment pattern.

tokenizer

protected Tokenizer tokenizer

String tokenizer.

Constructor Detail

AbstractParser

public AbstractParser(Pattern colSep,
              String quoteChars,
              Pattern comment)

Constructor.

Parameters:

colSep - Column separator

quoteChars - Quote character

comment - Comment pattern

Method Detail

lengthWithoutLinefeed

public static int lengthWithoutLinefeed(String line)

getLogger

protected abstract Logging getLogger()

Get the logger for this class.

Returns:

Logger.

toString

public String toString()

Returns a string representation of the object.

Overrides:

toString in class Object

Returns:

a string representation of the object.